Repair defective position.
Replace defective part.
Correct connector.
Sensor error → Replace.
Check outdoor P.C.B. WP-041
and indoor C room P.C. board.
Defect → Replace.
Is PMV under correct conditions?
Check temp. sensor of C room indoor unit?
TA sensor, TC sensor
YES
NO
OK
Error
Repair defective position.
Replace defective part.
Correct connector.
Sensor error → Replace.
Check outdoor P.C.B. WP-041
and indoor B room P.C. board.
Defect → Replace.
Is PMV under correct conditions?
Check temp. sensor of B room indoor unit?
TA sensor, TC sensor
YES
NO
OK
Error
Repair defective position.
Replace defective part.
Correct connector.
Sensor error → Replace.
Check outdoor P.C.B. WP-041
and indoor A room P.C. board.
Defect → Replace.
Is PMV under correct conditions?
Check temp. sensor of A room indoor unit?
TA sensor, TC sensor
YES
NO
OK
Error
Check
code
Outdoor
LED display
Check and troubleshooting
(Item without special mention indicates part of outdoor unit.)
[20]
∗ There is a possibility that it is one of the following errors.
Confirm LED on outdoor P.C. board to judge which error it is.
PMV error for A room, B room, C room, D room and E room.
∗
[PMV error for A room]
[PMV error for B room]
[PMV error for C room]
{:ON
(
{*:3 sec ON / 0.5 sec OFF)
z:OFF
{***
zz
{**
z
{***
[PMV error for D room]
Repair defective position.
Replace defective part.
Correct connector.
Sensor error → Replace.
Check outdoor P.C.B. WP-041
and indoor D room P.C. board.
Defect → Replace.
Is PMV under correct conditions?
Check temp. sensor of D room indoor unit?
TA sensor, TC sensor
YES
NO
OK
Error
**
*
*
[PMV error for E room]
Repair defective position.
Replace defective part.
Correct connector.
Sensor error → Replace.
Check outdoor P.C.B. WP-041
and indoor E room P.C. board.
Defect → Replace.
Is PMV under correct conditions?
Check temp. sensor of E room indoor unit?
TA sensor, TC sensor
YES
NO
OK
Error
*
*
*
z
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